Hard lump that wasn’t there before

Patient: I have lipoma on my shoulder now it has a hard round lump. Should I worry?

Symptoms: None

Doctor: Thank you for your question. We would like you to have this lipoma examined by your doctor. It is possible that it has b ecome hard to to normal changes, or may be due to the fact that it may eventually become inflamed. You may need to have this lipoma surgically removed by a surgeon or dermatologist. Please have it examined.Thank you for consulting AskTheDoctor.com